A vortex gun which can fire doughnut-shaped rings of electrically charged gas could be by firefighters to clear hallways clogged with smoke. The gun fires rings which revolve as they travel but, like ...

While something called a "vortex gun" might sound like a device from science fiction, the fact is that they have been available as novelties for years - if you've ever used a toy gun that shot out a ...

Vortex guns are those thing-of-the-movies type guns which can fire doughnut-shaped rings of air. Vortex guns have stayed as toys and odd gadgets for years, until now. But a U.S. lab is recently ...

Vortex guns capable of firing doughnut-shaped rings of air have sat around as toys or oddball gadgets for years. Now a U.S. lab has added an extra kick with electrically charged rings that could clear ...

Those in the defense business, for obvious reasons, are increasingly getting a lot of flack for producing what some would consider instruments of death. That's why, as of late, there's been a growing ...

Vortex guns capable of firing doughnut-shaped rings of air have sat around as toys or oddball gadgets for years. Now a U.S. lab has added an extra kick with electrically charged rings that could clear ...